Elbert Weiss had a dream where a criminal shot him in the head. At first, he brushed it off as just a nightmare, but the reality proved him wrong. Just when he felt helpless, a mysterious simulation system appeared, guiding him through countless life-threatening situations. When a courageous railway officer sacrificed his life, Elbert finally stopped being a coward. With newfound courage and sharp intellect, Elbert took control, outsmarting the criminals and bringing them to justice, saving everyone on board.